000			00261nam a2200109Ia 4500
008			160710s1957 xx 000 0 und d
100			_aAMERICAN MACHINIST
245			_aAMERICAN MACHINIST, OCT.
260			_bMCGRAW HILL _c1957
300			_a390
942			_2ddc _cB
999			_c39650 _d39650